CN109578133A - The inlet duct of internal combustion engine for vehicle - Google Patents

The inlet duct of internal combustion engine for vehicle Download PDF

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Publication number
CN109578133A
CN109578133A CN201811140566.9A CN201811140566A CN109578133A CN 109578133 A CN109578133 A CN 109578133A CN 201811140566 A CN201811140566 A CN 201811140566A CN 109578133 A CN109578133 A CN 109578133A
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CN
China
Prior art keywords
mentioned
air
tube section
inlet
downstream side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811140566.9A
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Chinese (zh)
Other versions
CN109578133B (en
Inventor
辻勇佑
铃木克典
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzuki Motor Corp
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Suzuki Motor Corp
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Filing date
Publication date
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Publication of CN109578133A publication Critical patent/CN109578133A/en
Application granted granted Critical
Publication of CN109578133B publication Critical patent/CN109578133B/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/02—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, substantially in or parallel to the longitudinal centre line of the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0475—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly the intake air cooler being combined with another device, e.g. heater, valve, compressor, filter or EGR cooler, or being assembled on a special engine location
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • F02M35/044—Special arrangements of cleaners in or with respect to the air intake system, e.g. in the intake plenum, in ducts or with respect to carburettors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
    • F02M35/048—Arranging or mounting on or with respect to engines or vehicle bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10144—Connections of intake ducts to each other or to another device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1015—Air intakes; Induction systems characterised by the engine type
    • F02M35/10157—Supercharged engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/161—Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0462—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
    • F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10229—Fluid connections to the air intake system; their arrangement of pipes, valves or the like the intake system acting as a vacuum or overpressure source for auxiliary devices, e.g. brake systems; Vacuum chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/112—Intake manifolds for engines with cylinders all in one line
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Transportation (AREA)
  • Analytical Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

A kind of inlet duct of internal combustion engine for vehicle is provided, in the case where being piped the air inlet part of the air exit and inlet manifold that link intercooler by intercooler, it can be improved the vehicle loading of intercooler piping, and be able to suppress the vibration of inlet duct.Inlet duct has the intercooler outlet piping (35) of connection air inlet part (63A) Yu air exit (34B), air inlet part upward opening.Intercooler outlet piping has: upstream side tube section (64) extends to the front of inlet manifold (27) from air exit；And downstream side tube section (65), link upstream side tube section and air inlet part.Downstream side tube section includes: hose (67) is set to air inlet part side；And middle tube portion (66), the rigidity being arranged between hose and upstream side tube section and than hose is big, and middle tube portion is fixed on the top of inlet manifold.

Description

The inlet duct of internal combustion engine for vehicle
Technical field
The present invention relates to the inlet ducts of internal combustion engine for vehicle.
Background technique
In the past, the admission line structure as the upstream end thereof for the inlet manifold for being connected to internal combustion engine, it is known that following air inlet Pipeline configuration: having admission line, which, which has, connect via piping with the gas entry outlet portion of intercooler Air inlet portion, the air exit in the air inlet portion and intercooler that make admission line is towards identical direction (reference Patent document 1).
The admission line structure is opposite with the air exit of the air inlet portion of admission line and intercooler direction The case where direction, is compared, and the length of piping can be shortened, and inhibits the pressure damage that the air inlet of admission line is flowed into from intercooler It loses and increases.
Existing technical literature
Patent document
Patent document 1: special open 2017-65608 bulletin
Summary of the invention
Problems to be solved by the invention
However, although the length of air inlet pipe can be shortened, being needed with bending in this existing admission line structure At the air inlet portion of the piping connection admission line of U-shaped and the air exit of intercooler.
Therefore, in the case where the vehicle of the lesser engine room of the rear space with internal combustion engine, it is difficult to setting piping. Moreover, the vibration being piped may will increase if the middle part of piping is not fixed on car body.
The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a kind of air inlet of internal combustion engine for vehicle dresses It sets, the case where being piped the air inlet part of the air exit and inlet manifold that link intercooler by intercooler Under, it can be improved the vehicle loading of intercooler piping, and be able to suppress the vibration of inlet duct.
The solution to the problem
The present invention is a kind of inlet duct of internal combustion engine for vehicle, is had: engine main body, be set to engine room and Its cylinder is arranged along the front-rear direction of vehicle；Inlet manifold is assemblied in the vehicle-width direction side of above-mentioned engine main body Portion, the rear part are provided with air inlet part；Intercooler, is arranged in the front of above-mentioned inlet manifold, and the rear part is provided with Air exit；And intercooler piping, above-mentioned air inlet part and the above-mentioned centre for linking above-mentioned inlet manifold are cold But the above-mentioned air exit of device, the inlet duct of above-mentioned internal combustion engine for vehicle are characterized in that above-mentioned air inlet part is upward Opening, above-mentioned intercooler piping have: upstream side tube section extends to above-mentioned inlet manifold from above-mentioned air exit Front；And downstream side tube section, link above-mentioned upstream side tube section and above-mentioned air inlet part, above-mentioned downstream side tube section includes: 1st downstream side tube section is set to above-mentioned air inlet part side；And the 2nd downstream side tube section, it is arranged in above-mentioned 1st downstream Bigger than the rigidity of above-mentioned 1st downstream side tube section between side tube section and above-mentioned upstream side tube section, above-mentioned 2nd downstream side tube section is fixed On the top of above-mentioned inlet manifold.
Invention effect
In this way, according to the above-mentioned present invention, the air exit that connection intercooler is piped by intercooler with In the case where the air inlet part of inlet manifold, the vehicle loading of intercooler piping can be improved, and be able to suppress The vibration of inlet duct.
Detailed description of the invention
Fig. 1 is the vertical view for having the front of the vehicle of the inlet duct of internal combustion engine for vehicle of one embodiment of the invention Figure.
Fig. 2 is before the vehicle of the inlet duct for the internal combustion engine for vehicle that rear side viewing has one embodiment of the invention The figure in portion.
Fig. 3 is before the vehicle of the inlet duct for the internal combustion engine for vehicle that right side viewing has one embodiment of the invention The figure in portion.
Fig. 4 is before the vehicle of the inlet duct for the internal combustion engine for vehicle that left side viewing has one embodiment of the invention The figure in portion.
Fig. 5 is the exploded view of the inlet duct of the internal combustion engine for vehicle of one embodiment of the invention.
Fig. 6 is the top view of the middle tube portion of the inlet duct of the internal combustion engine for vehicle of one embodiment of the invention.
Fig. 7 is the right view of the middle tube portion of the inlet duct of the internal combustion engine for vehicle of one embodiment of the invention.
Description of symbols
1... vehicle, 21... engine room, 22... engine (internal combustion engine), 22A... engine main body, 27... air inlet Menifold, 29... air cleaner, 34... intercooler, 34B... air exit, 35... intercooler outlet piping (intercooler piping), 36... throttle body, 61... branched pipe, 62... surge tank, 63... inlet tube, 63A... air Inlet portion, the upstream 64... side tube section, the downstream 65... side tube section, 66... middle tube portion (the 2nd downstream side tube section), 66L... pipe Lu Zhizheng axis (the pipeline central axis in the downstream side of the 2nd downstream side tube section), 67... hose (the 1st downstream side tube section).
Specific embodiment
The inlet duct of the internal combustion engine for vehicle of one embodiment of the present invention has: engine main body is set to hair Motivation room and its cylinder are arranged along the front-rear direction of vehicle；Inlet manifold is assemblied in the vehicle width side of engine main body To side, the rear part is provided with air inlet part；Intercooler, is arranged in the front of inlet manifold, and rear portion setting is free Gas outlet portion；And intercooler piping, link the air inlet part of inlet manifold and the air outlet slit of intercooler Portion, in the inlet duct of internal combustion engine for vehicle, air inlet part upward opening, intercooler piping has: upstream side pipe Portion extends to the front of inlet manifold from air exit；And downstream side tube section, link upstream side tube section and air enters Oral area, downstream side tube section includes: the 1st downstream side tube section is set to air inlet part side；And the 2nd downstream side tube section, it sets It sets between the 1st downstream side tube section and upstream side tube section, bigger than the rigidity of the 1st downstream side tube section, the 2nd downstream side tube section is fixed on The top of inlet manifold.
To in the air intake for the air exit and inlet manifold for being piped connection intercooler by intercooler In the case where portion, the vehicle loading of intercooler piping can be improved, and be able to suppress the vibration of inlet duct.
[embodiment]
In the following, illustrating the inlet duct of the internal combustion engine for vehicle of one embodiment of the invention using attached drawing.
Fig. 1 to Fig. 7 is the figure for showing the inlet duct of internal combustion engine for vehicle of one embodiment of the invention.
It is forward and backward move back after direction is in the direction of travel with vehicle about all around direction up and down in Fig. 1 into Fig. 7 In the case where, the width direction of vehicle is left and right directions, and the short transverse of vehicle is up and down direction.
Firstly, illustrating to constitute.
In Fig. 1, vehicle 1 has frame portion 2 and automobile body part 3.Frame portion 2 has: a pair of of stringer 5,6, front side crossbeam 7 (referring to Fig. 4) and rear-side cross member 8.A pair of of stringer 5,6 is in the width direction (hereinafter referred to as vehicle-width direction) of vehicle 1 It separates and extends in the longitudinal direction.
In Fig. 2, front side crossbeam 7 extends in the vehicle width direction, links the front end of stringer 5,6.Rear-side cross member 8 exists The rear of front side crossbeam 7 extends in the vehicle width direction, links stringer 5,6.
In Fig. 1, automobile body part 3 has: side baffle 9,10, front wheel housing 11,12, rear wall 13 and hood lock component 14。
Up and down direction and front and back on the outside of vehicle-width direction, in vehicle 1 are arranged relative to stringer 5,6 for side baffle 9,10 Side upwardly extends.
Front wheel housing 11,12 extends on the inside of the vehicle-width direction of side baffle 9,10 towards stringer 5,6, before extending direction Stringer 5,6 is fixed in end.Rear wall 13 extends in the vehicle width direction between front wheel housing 11,12.Hood locks structure Part 14 extends in the vehicle width direction, links side baffle 5,6.
The lower section of front wheel housing 11,12 is provided with front-wheel (not shown), top belay front-wheel of the front wheel housing 11,12 in front-wheel Space needed for rotation.
It is formed in the front of vehicle 1 by side baffle 9,10, front wheel housing 11,12, rear wall 13 and hood locking structure The engine room 21 that part 14 surrounds, is provided with the engine 22 as internal combustion engine in engine room 21.
In any figure of Fig. 2 to Fig. 4, engine 22 has: cylinder block 23, cylinder head 24, valve mechanism cover 25 and oil Bottom case 26.The cylinder block 23, cylinder head 24, valve mechanism cover 25 and oil sump 26 of the present embodiment constitute engine main body 22A.
Multiple cylinders (not shown) are provided in cylinder block 23.It is accommodated with piston (not shown), piston phase in the cylinder Cylinder is moved back and forth in above-below direction.Piston is linked to crankshaft (not shown) through not shown connecting rod, piston it is reciprocal Movement is converted to the rotary motion of crankshaft via connecting rod.
It is respectively arranged with multiple air inlet 24A (referring to Fig. 5) in cylinder head 24, is opened and closed the (not shown) of air inlet 24A Multiple inlet valves, multiple exhaust outlets (not shown) and the multiple exhaust valves for being opened and closed exhaust outlet etc..
Engine main body 22A is set to engine room 21 and its cylinder is arranged along front-rear direction.
The right side of the cylinder head 24 of vehicle-width direction side as engine main body 22A is provided with inlet manifold 27, the left side of cylinder head 24 is provided with discharge manifold 28.
Air (air inlet) is imported cylinder by air inlet by inlet manifold 27.Discharge manifold 28 and 24 1 bodily form of cylinder head At exhaust gas after it has been burned in the cylinder is discharged to discharge manifold 28 by exhaust outlet.
It is formed with cavaera (not shown) between cylinder head 24 and valve mechanism cover 25, tool is respectively arranged in cavaera There are the admission cam shaft of admission cam (not shown) and the exhaust cam shaft with exhaust cam.
With the rotation of admission cam shaft and exhaust cam shaft, admission cam and exhaust cam respectively drive inlet valve and row Valve, to be opened and closed air inlet and exhaust outlet respectively.
The top of valve mechanism cover 25 is provided with air cleaner 29.Air inlet is connected in the upstream side of air cleaner 29 Pipeline 30, admission line 30 are connected to air cleaner 29 via air cleaner inlet pipe 31.
Admission line 30 after the air that will enter in engine room 21 introduces, via air cleaner inlet pipe 31 by its Import air cleaner 29.Air cleaner 29 purifies the air imported from air cleaner inlet pipe 31.
Air cleaner outlet hose 37 is connected in the downstream side of air cleaner 29.Here, upstream, downstream refer to phase Upstream, downstream for the flow direction of air.
In Fig. 4, the downstream of air cleaner outlet hose 37 is connected to the upstream end of turbine inlet pipe 38, and turbine enters Mouth pipe 38 is connected to booster 32.
Booster 32 is assemblied in the left side of the vehicle-width direction of cylinder block 23, and booster 32 has compressor housing 32A and turbine shroud 32B.
Compressor impeller (not shown) is set to compressor housing 32A and rotates freely, the downstream of turbine inlet pipe 38 End is connected to compressor housing 32A.
The downstream of exhaust pipe 41 is connected to turbine shroud 32B.Turbine wheel (not shown) is set to turbine shroud 32B simultaneously And rotate freely, turbine wheel is rotated integrally with compressor impeller.
The upstream end of exhaust pipe 41 is connected to cylinder head 24, and exhaust gas is discharged to exhaust pipe 41 by discharge manifold 28, is discharged Exhaust gas to exhaust pipe 41 is imported into turbine shroud 32B.
Turbine wheel is rotated due to pressure at expulsion, and compressor impeller is rotated with the rotation of turbine wheel, thus, increase The air pressurized of 32 couples of depressor supply compressor housing 32A.
The upstream end of turbine outlet pipe 39 is connected to compressor housing 32A.The upstream end of intercooler inlet piping 33 It is connected to the downstream of turbine outlet pipe 39.The air being pressurized in compressor housing 32A is from compressor housing 32A via turbine Outlet 39 is supplied to intercooler inlet piping 33.
In Fig. 2, Fig. 3, the downstream of intercooler inlet piping 33 is connected to the air intake of intercooler 34 Portion 34A.The front (referring to Fig.1) of inlet manifold 27 is arranged in intercooler 34, is provided at the rear portion of intercooler 34 Air exit 34B.
Intercooler 34 makes the air and outside air that import from intercooler inlet piping 33 carry out heat exchange, from And cooling air, improve the density of air.
The upstream end of intercooler outlet piping 35 is connected to the air exit 34B of intercooler 34, intermediate cold But the downstream of device outlet piping 35 is connected to inlet manifold 27 via throttle body 36 (referring to Fig. 3).The centre of the present embodiment Cooler outlet piping 35 constitutes intercooler piping of the invention.
Air throttle (not shown) is accommodated in throttle body 36, air throttle adjustment is inhaled from intermediate cooler outlet piping 35 Enter the air capacity of inlet manifold 27.
In Fig. 3, Fig. 5, inlet manifold 27 has: multiple branched pipes 61, surge tank 62 and inlet tube 63.
The internal access that is respectively formed at of branched pipe 61 is connected to air inlet 24A, is directed the air by air inlet 24A Cylinder.The engine 22 of the present embodiment is 3 cylinder engines, therefore, is correspondingly provided with 3 branched pipes 61 with number of cylinders.
Surge tank 62 is upwardly extended in the front and back of the orientation as cylinder.The upstream end of branched pipe 61 is linked to slow Tank 62 is rushed, surge tank 62 provisionally stockpiles air, and air is distributed and imports branched pipe 61.
Inlet tube 63 is linked to the rear portion of surge tank 62.Air inlet part 63A is set to inlet tube 63, air inlet part 63A upward opening.In this way, being formed with air inlet part 63A at the rear portion of inlet manifold 27.Throttle body 36 is in inlet manifold 27 Upstream side and the top of inlet manifold 27 be connected to air inlet part 63A.
In this way, intercooler outlet piping 35 and throttle body 36 link the air inlet part 63A of inlet manifold 27 with The air exit 34B of intercooler 34.
Therefore, it is pressurizeed by booster 32 and intercooler is passed through by the high air of the density after cooling of intercooler 34 Outlet piping 35 and throttle body 36 are imported into inlet manifold 27.
Inlet manifold 27 is imported by the air imported from intermediate cooler outlet piping 35 by air inlet part 63A After inlet tube 63, it is assigned to branched pipe 61 from surge tank 62 and imports each cylinder.Thus, it is possible to realize the combustion of engine 22 Expect the raising of efficiency and output.
Intercooler outlet piping 35 has upstream side tube section 64 and downstream side tube section 65.
Upstream side tube section 64 extends from the air exit 34B of intercooler 34 towards inlet manifold 27 (referring to Fig. 3).
Downstream side tube section 65 has middle tube portion 66 and hose 67, and downstream side tube section 65 links the downstream of upstream side tube section 64 The air inlet part 63A at end and inlet manifold 27.The hose 67 of the present embodiment constitutes the 1st downstream side tube section of the invention, intermediate Pipe portion 66 constitutes the 2nd downstream side tube section of the invention.
Hose 67 by can the resin of Free Transform constitute, be set to the side air inlet part 63A relative to middle tube portion 66.In Between pipe portion 66 be made of resin, the metal etc. higher than the rigidity of hose 67, be arranged between hose 67 and upstream side tube section 64.
In Fig. 5 into Fig. 7, the side of middle tube portion 66 is provided with fixinig plate 66A, 66B, on the top of middle tube portion 66 It is provided with boss portion 66C.In Fig. 5, the top of branched pipe 61 is provided with boss portion 61A, is arranged on the top of surge tank 62 There is boss portion 62A.
The fixinig plate 66A of middle tube portion 66 is anchored on the boss portion 61A of branched pipe 61, middle tube portion 66 by bolt 68A Fixinig plate 66B the boss portion 62A of surge tank 62 is anchored on by bolt 68B.Middle tube portion 66 is fixed to branched pipe 61 as a result, With the top of surge tank 62, thus be fixed to inlet manifold 27 top.
Boss portion 29A is formed in the side of air cleaner 29.The boss portion 66C of middle tube portion 66 passes through bolt 68C It is anchored on boss portion 29A.To which air cleaner 29 is fixed to the top of middle tube portion 66.Air cleaner 29 passes through bolt 68D, 68E are anchored on the fixinig plate 25A and boss portion 25B for being formed in the top of valve mechanism cover 25.
In Fig. 5 into Fig. 7, the top of middle tube portion 66 is provided with a pair of projections portion 66D, 66E.In Fig. 5, setting exists The detecting element 69A of the lower part of sensor 69 is inserted into boss portion 66D.To which detecting element 69A is able to detect in middle tube portion 66 Internal flow air state.
The fitting portion 69A that the lower part of sensor 69 is arranged in is embedded in boss portion 66D, and the fixinig plate 69B of sensor 69 is logical It crosses bolt 68F and is anchored on boss portion 66E.
To which sensor 69 is fixed to the top of middle tube portion 66.Sensor 69 is flowed in middle tube portion 66 by detecting The sensor of temperature of air, the sensor for detecting pressure, the sensor etc. that detects air capacity constitute, for the kind of sensor Class is not particularly limited.
In Fig. 5 into Fig. 7, the top of middle tube portion 66 is provided with boss portion 66F, the end of negative pressure pipe (not shown) It is linked to boss portion 66F.The negative pressure generated in gas handling system is for example imported brake booster etc. by negative pressure pipe.
In Fig. 3, middle tube portion 66 is set to inlet manifold 27 and the pipeline central axis 66L of side is located at air throttle downstream The top of body 36.Specifically, middle tube portion 66 be set to inlet manifold 27 and from front side backward side to inclined upward.Fixinig plate 66B is more extended downward compared with fixinig plate 66A from the bottom of middle tube portion 66, so that 66 tiltable of middle tube portion.
Hose 67 is bent downwardly from middle tube portion 66 and is connected to throttle body 36, the upstream end and downstream point of hose 67 Middle tube portion 66 and throttle body 36 are not linked to by clamping component 70A, 70B.
As shown in Figure 1, being provided with radiator 42 in the front of engine 22 in engine room 21.Radiator 42 via Cooling water pipe (not shown) is connected to engine 22, makes the cooling water recycled between engine 22 and radiator 42 and outside Air carries out heat exchange.
To which the cooling water of the low temperature flowed out from radiator 42 is supplied to engine 22, and engine 22 is by the cooling of low temperature Water is cooling.The cooling water for carrying out the high temperature after heat exchange with engine 22 flows into radiator 42 from cooling water pipe, by radiator 42 is cooling.
In Fig. 4, in front side, crossbeam 7 and rear-side cross member 8 are fixed with radiator support element 43,44, radiator support element 43, 44 extend upwards from front side crossbeam 7 and rear-side cross member 8.Radiator support element 43,44 is set as pressing from both sides in the vehicle width direction Firmly radiator 42.
In Fig. 2, engine 22 is flexibly linked to stringer 5,6 by mounting device 51,55.
The inlet duct of the present embodiment has: inlet manifold 27, and the rear part is provided with air inlet part 63A；Cooling during rolling Device 34, is arranged in the front of inlet manifold 27, and the rear part is provided with air exit 34B；And intercooler outlet is matched Pipe 35, connection air inlet part 63A and air exit 34B, air inlet part 63A upward opening.
Intercooler outlet piping 35 has: upstream side tube section 64, from air exit 34B towards inlet manifold 27 Extend；And downstream side tube section 65, link downstream and the air inlet part 63A of upstream side tube section 64.
Downstream side tube section 65 includes: hose 67, is set to the side air inlet part 63A；And middle tube portion 66, setting Bigger than the rigidity of hose 67 between hose 67 and upstream side tube section 64, middle tube portion 66 is fixed on the top of inlet manifold 27.
Thus, it is possible to which middle tube portion 66 is formed as the shape phase with the surrounding member on the periphery that middle tube portion 66 is arranged in Matched shape, and it is disposed at the small space of the top of inlet manifold 27.Therefore, by intercooler outlet piping In the case that 35 are arranged in the small space of the engine room 21 of 22 side of engine, intercooler outlet piping can be improved 35 mountability relative to vehicle 1.
In addition, due to the top that middle tube portion 66 is fixed on to inlet manifold 27, thus, it is possible to prevent middle tube portion 66 from existing Larger vibration occurs in up and down direction.Therefore, with downstream side tube section 65 from the (width of rear or vehicle outward of inlet manifold 27 On the outside of direction) the case where extending compares, it is able to suppress comprising intercooler inlet piping 33, intercooler 34, intermediate cold But the inlet duct of device outlet piping 35 and inlet manifold 27 vibrates.
In addition, due to configuring middle tube portion 66 on the top of inlet manifold 27, thus, it is possible to the connection of linear type path The air exit 34B of the intercooler 34 and air inlet part 63A of inlet manifold 27, can shorten downstream side tube section 65 Overall length.Therefore, it can prevent the pressure loss for the air inlet for importing intercooler outlet piping 35 from intercooler 34 from increasing.
In addition, middle tube portion 66 is fixed on 61 both sides of surge tank 62 and branched pipe according to the inlet duct of the present embodiment, because This, can be stably supported on inlet manifold 27 for middle tube portion 66.Thus, it is possible to more efficiently prevent from middle tube portion 66 upper Larger vibration occurs upwards for lower section.
In addition, inlet manifold 27 has inlet tube 63, the air intake of inlet tube 63 according to the inlet duct of the present embodiment Portion's 63A upward opening.Moreover, inlet duct has throttle body 36, throttle body 36 is assemblied in air inlet part 63A with will be empty Conductance enters inlet tube 63, and middle tube portion 66 is arranged are as follows: the pipeline central axis 66L in the downstream side of middle tube portion 66 inclines rearwardly and upwardly Tiltedly, and positioned at the top of throttle body 36.
Also, hose 67 is bent downwardly from middle tube portion 66 and is connected to throttle body 36.Thus, it is possible to make hose 67 Bending is gentle.
In order to illustrate effect, using the inlet manifold 27 for the inlet tube 63 for having air inlet part 63A upward opening, It is compared with the pipeline central axis 66L in the downstream side of middle tube portion 66 for the case where horizontal or hypsokinesis.
In this case, the downstream of middle tube portion 66 and the upstream end of throttle body 36 are configured at the height in vehicle Close position on direction, therefore, it is necessary to make hose 67 from middle tube portion 66 be bent upwards after and be bent downwards and with section Valve body 36 connects.Therefore, the size of hose 67 is elongated, the pressure loss of the air flowed in intercooler outlet piping 35 Increase.
The middle tube portion 66 of the present embodiment is arranged are as follows: the pipeline central axis 66L in the downstream side of middle tube portion 66 is located at solar term The top of door body 36, hose 67 are bent downwardly from middle tube portion 66 and are connected to throttle body 36, therefore, can make hose 67 Bending is gentle.
As a result, the length of intercooler outlet piping 35 can be made to shorten, and keep the bending of hose 67 gentle, It can prevent the pressure loss of the air flowed in intercooler outlet piping 35 from increasing, and intercooler can be reduced The resistance of the air flowed in outlet piping 35.
In addition, due to the overall length that can shorten hose 67, thus, it is possible to which downstream side tube section 65 is easily positioned on air inlet In the small space of 27 top of menifold, intercooler outlet piping 35 can be more effectively improved relative to the vehicle-mounted of vehicle 1 Property.
In addition, being configured with air cleaner 29, air on the top of valve mechanism cover 25 according to the inlet duct of the present embodiment Filter 29 is fixed on the top of middle tube portion 66.
Thus, it is possible to middle tube portion 66 is fixed on air cleaner 29, and can by air cleaner 29 and into Gas menifold 27 supports middle tube portion 66 from up and down direction.Therefore, middle tube portion 66 can be made by inlet manifold 27 and air filter Clear device 29 further steadily supports.Thus, it is possible to which more efficiently prevent from middle tube portion 66 occurs larger vibration in the up-down direction It is dynamic.
In addition, the downstream side tube section 65 of the present embodiment be made of seperated middle tube portion 66 and hose 67 but it is also possible to be Downstream side tube section 65 is constituted by the middle tube portion 66 of one and hose 67.
In addition, the hose 67 for constituting the 1st downstream side tube section is made of 1 pipe portion, but can also be by being divided into 2 or more Pipe portion is constituted, can also integrated pipe portion structure smaller than middle tube portion 66 by rigidity and with respectively different rigid position At.
Although disclosing the embodiment of the present invention, it is apparent that those skilled in the art add in which can not depart from the scope of the present invention With change.It is intended to all this modifications and equivalent include in the appended claims.

Claims (4)

1. a kind of inlet duct of internal combustion engine for vehicle, has:
Engine main body, is set to engine room and its cylinder is arranged along the front-rear direction of vehicle；
Inlet manifold is assemblied in the vehicle-width direction side of above-mentioned engine main body, and the rear part is provided with air inlet part；
Intercooler, is arranged in the front of above-mentioned inlet manifold, and the rear part is provided with air exit；And
Intercooler piping, links the above-mentioned air inlet part of above-mentioned inlet manifold and the above-mentioned sky of above-mentioned intercooler Gas outlet portion,
The inlet duct of above-mentioned internal combustion engine for vehicle is characterized in that,
Above-mentioned air inlet part upward opening,
Above-mentioned intercooler piping has: upstream side tube section extends from above-mentioned air exit towards above-mentioned inlet manifold； And downstream side tube section, link above-mentioned upstream side tube section downstream and above-mentioned air inlet part,
Above-mentioned downstream side tube section includes: the 1st downstream side tube section is set to above-mentioned air inlet part side；And the 2nd downstream side pipe Portion is arranged between above-mentioned 1st downstream side tube section and above-mentioned upstream side tube section, bigger than the rigidity of above-mentioned 1st downstream side tube section,
Above-mentioned 2nd downstream side tube section is fixed on the top of above-mentioned inlet manifold.
2. the inlet duct of internal combustion engine for vehicle according to claim 1, which is characterized in that
Above-mentioned inlet manifold has: multiple branched pipes, supplies air to each above-mentioned cylinder；Surge tank, along above-mentioned gas The orientation of cylinder extends, and links the upstream end of above-mentioned branched pipe to direct the air into above-mentioned branched pipe；And inlet tube, with The back hitch of above-mentioned surge tank has the above-mentioned air inlet part for directing the air into above-mentioned surge tank,
Above-mentioned 2nd downstream side tube section is fixed on above-mentioned surge tank and above-mentioned branched pipe.
3. the inlet duct of internal combustion engine for vehicle according to claim 2, which is characterized in that
With throttle body, it is assemblied in above-mentioned air inlet part to direct the air into above-mentioned inlet tube,
Above-mentioned 2nd downstream side tube section is set as: the pipeline central axis in the downstream side of above-mentioned 2nd downstream side tube section is located at above-mentioned solar term The top of door body,
Above-mentioned 1st downstream side tube section is bent downwardly from above-mentioned 2nd downstream side tube section and is connected to above-mentioned throttle body.
4. according to claim 1 to the inlet duct of the internal combustion engine for vehicle described in any one of claim 3, feature exists In,
The air cleaner for directing the air into above-mentioned intercooler is configured on the top of above-mentioned engine main body,
Above-mentioned air cleaner is fixed on the top of above-mentioned 2nd downstream side tube section.
CN201811140566.9A 2017-09-29 2018-09-28 Intake device for internal combustion engine for vehicle Active CN109578133B (en)

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JP6614220B2 (en) 2019-12-04
CN109578133B (en) 2021-02-02
FR3071877A1 (en) 2019-04-05
DE102018215488A1 (en) 2019-04-04
FR3071877B1 (en) 2021-02-12
JP2019065751A (en) 2019-04-25

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